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This repository was archived by the owner on Mar 13, 2022. It is now read-only.

kube_config.py is unable to merge configs when one of configs has removed all contexts #183

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kube_config.py is unable to merge configs when one of configs has removed all contexts#183
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palnabarun
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lifecycle/rottenDenotes an issue or PR that has aged beyond stale and will be auto-closed.

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@matihost
matihost
opened on Feb 19, 2020
 File \"/home/myuser/.local/lib/python3.6/site-packages/kubernetes/config/kube_config.py\", line 664, in load_kube_config
persist_config=persist_config)
File \"/home/myuser/.local/lib/python3.6/site-packages/kubernetes/config/kube_config.py\", line 620, in _get_kube_config_loader_for_yaml_file
kcfg = KubeConfigMerger(filename)
File \"/home/myuser/.local/lib/python3.6/site-packages/kubernetes/config/kube_config.py\", line 574, in __init__
self.load_config(path)
File \"/home/myuser/.local/lib/python3.6/site-packages/kubernetes/config/kube_config.py\", line 592, in load_config
self._merge(item, config.get(item, {}), path)
File \"/home/myuser/.local/lib/python3.6/site-packages/kubernetes/config/kube_config.py\", line 597, in _merge
for new_item in add_cfg:
TypeError: 'NoneType' object is not iterable

when:

KUBECONFIG=/home/myuser/.kube/config:/home/myuser/.kube/microk8s.config

and for example one of them defines null contexts:

contexts: null

It happens when

kubectl config delete-context microk8s

is invoked and there is no context left in kube config file.

Fix proposal add if:

def_merge(self, item, add_cfg, path):
ifadd_cfgisnotNone:
fornew_iteminadd_cfg:

around

python-base/config/kube_config.py

Line 596 in a2d1024

fornew_iteminadd_cfg:

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